Britta Larson is the younger sister of Kirsten Larson.
- Anders Larson: Father
- Greta Larson: Mother
- Lars Larson: Older Brother
- Kirsten Larson: Older Sister
- Peter Larson: Older Brother
- Olav Larson: Uncle
- Inger Larson: Aunt
- Lisbeth Larson: Cousin
- Anna Larson: Cousin
In the Books
Happy Birthday, Kirsten!: A Springtime Story
Britta is born on May 25th. Since Kirsten's Mama is busy taking care of Britta and still weakened from giving birth, Kirsten stays home from school to help with the house.
Kirsten Saves The Day: A Summer Story
Mama is described as carrying Britta during portions of the story, and Britta goes into town with the rest of the family for the 4th of July.
Changes for Kirsten: A Winter Story
- ↑ On the day of Britta's birth, Mama tells Kirsten "...your birthday will be two weeks from this very day. June eighth." The date two weeks prior to June 8th is May 25th.